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| Categories | Achromatic Lens |
|---|---|
| Brand Name: | LONGWAY |
| Model Number: | LW160920253 |
| Certification: | ISO9001 |
| Place of Origin: | Shanghai, China |
| MOQ: | 500 pieces |
| Price: | NEGOTIATION |
| Payment Terms: | D/P,T/T,Western Union |
| Supply Ability: | 1500 Piece/month |
| Packaging Details: | paper,foam,carton |
| Use: | Optics and Laser |
| Structure: | Double Convex |
| Shape: | Spherical |
| Surface: | Polished |
| Transmission: | over 92% |
| Coating: | available |
| Application: | Optics and lighting |
| OEM: | available |
| Company Info. |
| Shanghai Longway Special Glass Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Material
JGS1 & JGS2 Fused Silica: These lenses are crafted from high-purity synthetic fused silica.
JGS1: Offers exceptional UV transparency (185–2500 nm), ideal for deep UV applications due to low hydroxyl (OH) content and minimal impurities.
JGS2: Features slightly lower UV transmission (220–2500 nm) but remains cost-effective for applications where extreme UV performance is not critical.
Durability: Both materials exhibit high thermal stability, chemical resistance, and mechanical robustness, suitable for harsh environments.
Key Properties
Achromatic Design: Corrects chromatic aberration by combining two optical elements, ensuring precise focus of multiple wavelengths.
UV Transmission: Optimized for ultraviolet (UV) to near-infrared (NIR) spectrum, enabling high-energy laser compatibility.
Thermal Resistance: Low thermal expansion coefficient (≈0.55 x 10⁻⁶/°C) ensures stability under high-power laser exposure and temperature fluctuations.
Laser Damage Threshold: High resistance to laser-induced damage, critical for high-power UV laser systems.
Surface Quality: Polished to λ/10 surface flatness, minimizing scattering and ensuring beam integrity.
Function
Laser Collimation: Converts divergent laser beams into parallel (collimated) rays, reducing divergence for precision applications.
Chromatic Aberration Correction: Eliminates wavelength-dependent focusing errors, enhancing image and beam quality.
Applications
Laser Systems: Collimation in UV lasers (excimer, Nd:YAG), fiber optics, and laser diodes.
Scientific Research: Spectroscopy, microscopy, and interferometry requiring UV transparency.
Industrial Processing: High-power laser cutting, engraving, and lithography.
Medical Devices: UV laser surgery, diagnostics, and ophthalmic equipment.
Defense & Aerospace: LIDAR, targeting systems, and UV sensors.
| Material | Optical Glass, Fused Silica, quartz |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 |
| Transmission | above 92% |
| Chamfer | 0.1-0.5 mm x 45° |
| Focal Length Tolerance | +/-1.5% |
| Back Focal Length Tolerance | +/-1.5% |
| Coating | available |
| Usage | optical system, photographic sysem, Lighting system e.g. laser, camera, projector, magnifier etc. |
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